—Jack，I have ____ working out the math problem. —Don't worry. Let me help you.
A. fun
B. trouble
C. experience
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This movie wasn't ___.He fell asleep half way through it.
A. interesting enough
B. enough interesting
C. interested enough
D. enough interested
Scientists say that banana trees may disappear(消失)from the world _____banana cancer.
A. because of
B. instead of
C. as for
D. together with
—How far is it from Tianjin to Changsha? —It is a ___ flight from Tianjin to Changsha.
A. 2hourlong
B. 2hourslong
C. 2 hours' long
D. 2 hour long
—What's wrong with you? _____.
A. I'm a doctor
B. I have a new watch
C. I have a headache
D. I work in a hospital
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